character: Professor John Lee
topic: The Physics of Sound: Speed and Medium Factors
grade: 12
subject: Physics
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character: Dr. Emily Chen
topic: Wave Propagation: The Role of Medium in Sound
grade: 12
subject: Physics
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character: Professor Michael Roberts
topic: Understanding the Speed of Sound in Different Conditions
grade: 12
subject: Physics
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character: Ms. Sarah Johnson
topic: Factors Affecting Sound Speed: Temperature, Density, and Medium
grade: 12
subject: Physics
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